The whole plant is astringent, salve and has agents that check bleeding by contracting blood vessels. Herbalists have used geranium roots to stop bleeding and to treat sores and chapped lips. It was used medicinally by the Blackfoot Indians among others. They used an infusion from this plant to treat diarrhea and gastric upset and urinary irritations. A gargle was used in the treatment of sore throats. The root of this plant is astringent and was dried and powdered and used by Native Americans to stop external bleeding. An infusion of the leaves or the roots has been used as a wash for sore eyes.